The first half of 2020 is behind us, which means it’s time for a look at how the internet as a whole changed during the past 3 months.
As always, the data, on which the following charts are based, have been gathered using Shodan. Therefore bear in mind that although the charts should give us a good enough view of more significant changes, they may not be completely accurate (see the first post with quarterly statistics.
Should you be interested in the port situation in the Czech Republic, you may find corresponding charts here.
Bellow, you may find charts for the following protocols and ports:
- SSH (port 22)
- Telnet (port 23)
- DNS (port 53)
- NTP (port 123)
- SNMP (port 161)
- SMB (port 445)
- RDP (port 3389)
Web
- HTTP (port 80)
- HTTPS (port 443)
- TLS 1.3 (port 443)
- TLS 1.2 (port 443)
- TLS 1.1 (port 443)
- TLS 1.0 (port 443)
- SSL 3.0 (port 443)
- SSL 2.0 (port 443)
SSL/TLS
- TLS 1.3 (all ports)
- TLS 1.2 (all ports)
- TLS 1.1 (all ports)
- TLS 1.0 (all ports)
- SSL 3.0 (all ports)
- SSL 2.0 (all ports)
Industrial Control Systems (ICS)
SSH (port 22)

Telnet (port 23)

DNS (port 53)

NTP (port 123)

SNMP (port 161)

SMB (port 445)

RDP (port 3389)

Web
HTTP (port 80)

HTTPS (port 443)

TLS 1.3 (port 443)

TLS 1.2 (port 443)

TLS 1.1 (port 443)

TLS 1.0 (port 443)

SSL 3.0 (port 443)

SSL 2.0 (port 443)

SMTP (port 25)

SMTPS (port 465)

IMAP (port 143)

IMAPS (port 993)

POP3 (port 110)

POP3S (port 995)

SSL/TLS
TLS 1.3 (all ports)

TLS 1.2 (all ports)

TLS 1.1 (all ports)

TLS 1.0 (all ports)

SSL 3.0 (all ports)

SSL 2.0 (all ports)

Industrial Control Systems
All ICS protocols

Modbus (port 502)

EIBnet/IP (port 3671)

BACnet/IP (port 47808)
